Perhaps you should try some spelling variations:
chieu trien » chieu chien, hieu tren, hieu triet
trien dich » mien dich
dich ngoc » dinh ngoc, bich ngoc, dich nuoc
va thanh » gia thanh, ban thanh, va tinh
va hanh » van hanh, va danh, ban hanh
bo sach » co sach, hoc sach
sach ty » sach y, sach tu, sach thu
lang xa » lang ha, dang xay, lang van
xang xa » mang xa, ang xa, dang xay
cua tre » cua te, cuu tre, cua triet
vi cua » vai cua, di cua

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: bo sach ty ((xang xa) or (lang xa)) hoi. chieu trien dich ngoc ((va hanh) OR (va thanh)) vi cua tre~.
• If you are trying to use Boolean operators, they must be ALL CAPS: bo sach ty ((xang xa) OR (lang xa)) hoi. chieu trien dich ngoc ((va hanh) OR (va thanh)) vi cua tre.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bo sach ty ((xang xa) or (lang xa)) hoi. chieu trien dich ngoc ((va hanh) OR (va thanh)) vi cua tre".
• Adding a wildcard symbol may retrieve word variants: bo sach ty ((xang xa) or (lang xa)) hoi. chieu trien dich ngoc ((va hanh) OR (va thanh)) vi cua tre*.